The new covid-19 mutants usually have a higher transmission rate the maximum positive rate must be lower to ensure that the undetected virus covid-19 carriers are low and the country is controlled. Different countries may face high infection with different covid-19 mutants Therefore each country must have a specific maximum positive rate based on its country's covid-19 mutant. This study will create a general formula to determine the maximum positive rate for each country based on its country's
Piracy-free
Assured Quality
Secure Transactions
Fast Delivery
Sustainably Printed
Delivery Options
Please enter pincode to check delivery time.
*COD & Shipping Charges may apply on certain items.